REGULATORY FAILURES AND THE COLLAPSE OF THE CAPITAL MARKET IN NIGERIA: ALIGNING RESPONSIBILITIES WITH ACCOUNTABILTY

Despite the damaging impacts of the crash in the Nigerian capital markets between 2007 and 2011 on the economy and the established cases of regulatory failures in the industry, the question of regulatory accountability has not received much attention in Nigeria. Looking back at these regulatory failures vis-à-vis the statutory responsibilities of the regulators of the capital markets in Nigeria and comparing same with the securities regulatory authority of the UK under the FSMA, 2000 this article argued that responsibilities should go with accountability for an effective capital market regulation in Nigeria. The article found that the apex regulator in Nigeria lacks the necessary operational independence. It questioned the increasing trend of regulatory laxity and ‘highhandedness’ in the capital market. The article recommended a proper regulatory accountability through a review of administrative decisions, actions in torts on the grounds of regulatory negligence, breach of statutory duty and misfeasance in public office. It also recommended a total restructuring of the apex regulator to make it more operationally independent in line with global best practices.

Phytochemical and anthelmintic activity of Terminalia catappa (Linn) leaves

Helminthiases is one of the tropical neglected diseases (NTDs) caused by soil transmitted helminths (STHs). The development of resistance to anthelmintics was observed and so there is an urgent need to discover novel drugs. This study investigates the anthelmintic activity of the Terminalia catappa. Dried fallen leaves of the plant was extracted with petroleum ether, dichloromethane, ethyl acetate, methanol and water using microwave assisted extraction (MAE). Anthelmintic activity of the crude extracts were investigated against Haemonchus concortus. Various concentrations (6.25, 12.5, 25, 50 and 100 mg/ml) of each extract and Albendazole were tested in the egg hatch assay and larval mortality assay. The dichloromethane extract displayed the highest egg hatch inhibition percentage of 98.94% at 6.25mg/ml while the methanol extract showed the lowest inhibition of 95.77% at the same concentration. The dichloromethane extract also showed 100% larval reduction at a concentration of 12.5mg/ml after 3 days and 98.9% at the least concentration of 6.25mg/ml. The preliminary phytochemical analysis indicated the presence of various phytoconstituents in all the tested extract. This result confirm the use of Terminalia catappa by traditional healers for the treatment of worm infections.Keywords:  Terminalia catappa, Anthelmintic assay, Haemonchus concortus, Phytochemical screenin

Isolation and Identification of Bacteria Associated with Pre and Post Processing of Groundnut Cake in Sokoto State, North-Western Nigeria

This study was conducted to assess the bacterial contamination between the groundnut cakes and paste obtained from Rural areas (Bodinga, kware) and that obtained within the metropolis at Urban areas (Arkilla and ‘Yargoriba) of Sokoto metropolis. A total of 8 samples of ready to eat groundnut cake and pastes were purchased, 4 of which were cake packaged in polythene and 4 paste packaged in plastic rubbers. The samples were analyzed microbiologically using standard procedures. Bacteria species associated with the samples collected from the rural areas were identified as Bacillus lentus, B. megaterium, B. licheniformis, Listeria monocytogene, Staphylococcus aureus while those associated with samples collected from the urban areas were identified as Bacillus lentus, B. megaterium, B. licheniformis, Listeria monocytogene, Staphylococcus aureus and S. hominis. There was higher bacteria count on samples from rural areas compared to those from urban areas. This might be as a result of unhygienic practices during the processing of the product which may range from methods of obtaining and quality of raw materials including sources of water, packaging, handling and distribution of the finished product to the final consumers. Based on these, it is recommended that Producers of groundnut cake should use good hygienic places, raw material and equipment to reduce the risk of microbial contamination. Keywords: Isolation, Identification, Bacteria, Processing, Groundnut DOI: 10.7176/JBAH/10-12-03 Publication date:June 30th 202

Genotypic identification of coliforms isolated from cases of subclinical mastitis among pastoral herds in parts of Kaduna State, Nigeria

Background: Mastitis caused by Staphylococcus aureus was initially considered the major problem in dairy herds, but over the last few decades, the incidence of coliform mastitis has increased among the pastoral herds in Nigeria due to poor environmental and milking hygiene. Hence, this study was aimed at genotypic identification of coliform bacteria isolated from cases of bovine mastitis among pastoral herds in parts of Kaduna State, Nigeria.Methods: A cross-sectional survey of 30 herds of cows across 7 Local Government Areas of Kaduna State, Nigeria, was conducted. One hundred and forty seven cows were proportionately selected by purposive sampling technique. The milk samples were aseptically collected and bacteriologically screened for coliform bacteria following standard bacteriological techniques. Nine out of 12 coliforms identified phenotypically were selected for PCR amplification and sequencing of their 16S rRNA gene. The Basic Local Alignment Search Tool (BLAST) analysis of the sequences obtained was done on the National Centre for Biotechnology Information (NCBI) data base, and isolates confirmed based on similarity to 16S rDNA sequences in the Gen BankResults: Five of the 9 coliforms were confirmed to be Klebsiella pneumoniae (prevalence rate, 3.4%) and 4 were confirmed to be Escherichia coli (prevalence rate, 2.7%).Conclusion: This study shows that raw milk of mastitic cows can serve as a vehicle for the spread of pathogens such as K. pneumoniae and E. coli which, according to the Department of Health and Human Services of the United States Public Health Services, are potential threats to public health and safety of humans, animals and plant products.Keywords: pastoral herds, subclinical mastitis, cows, PCR, 16s rRNA, sequencin

Determination of Heavy Metals in Selected Tissues of Cattle Slaughtered across Nasarawa State, Nigeria

This study was conducted to determine the concentrations of some toxic heavy metals in cattle slaughtered from the three agricultural zones of Nasarawa State, Nigeria. Selected tissues of muscle, intestine, skin, kidney and liver were analyzed for the presence of  Cadmium (Cd), Chromium (Cr), Lead (Pb), Copper (Cu) and Nickel (Ni) using Atomic Absorption Spectrophotometer (AAS). Thirty cattle were used for sampling. Five samples of the tissues were collected from each of the cattle, making a total of one hundred and fifty samples. Values obtained were compared with that of FAO/WHO guidelines. Statistical analysis was done using descriptive statistics, t-test and ANOVA. The mean concentrations (mg/kg) of Ni, Cd, Pb and Cu in all the sampled tissues were generally low and below the codex standards. Cr was detected above permissible limit with mean concentrations (mg/kg) of 1.19±5.94, 1.07±4.42, 3.01±6.65, 1.18±5.56 and 1.35±6.94 in intestine, kidney, liver, muscle and skin respectively. There was a significant (P < 0.05) difference in the level of Ni and Cd across two agricultural zones. Government and private sectors should establish cattle ranch and colonies across Nigeria so  as to reduce pasture contamination. Public enlightenment on the grazing of cattle in heavy metals prone areas such as automobile workshops, construction sites and paint factory premises should be advocated. Measures should be put in place for continuous monitoring of heavy metals in Nasarawa state in order to curtail their potential negative effect in human and animal tissues. Key words: cattle, heavy metals, AAS, Nasarawa state

Inflammatory response in mixed viral-bacterial community-acquired pneumonia

Background The role of mixed pneumonia (virus¿+¿bacteria) in community-acquired pneumonia (CAP) has been described in recent years. However, it is not known whether the systemic inflammatory profile is different compared to monomicrobial CAP. We wanted to investigate this profile of mixed viral-bacterial infection and to compare it to monomicrobial bacterial or viral CAP. Methods We measured baseline serum procalcitonin (PCT), C reactive protein (CRP), and white blood cell (WBC) count in 171 patients with CAP with definite etiology admitted to a tertiary hospital: 59 (34.5%) bacterial, 66 (39.%) viral and 46 (27%) mixed (viral-bacterial). Results Serum PCT levels were higher in mixed and bacterial CAP compared to viral CAP. CRP levels were higher in mixed CAP compared to the other groups. CRP was independently associated with mixed CAP. CRP levels below 26 mg/dL were indicative of an etiology other than mixed in 83% of cases, but the positive predictive value was 45%. PCT levels over 2.10 ng/mL had a positive predictive value for bacterial-involved CAP versus viral CAP of 78%, but the negative predictive value was 48%. Conclusions Mixed CAP has a different inflammatory pattern compared to bacterial or viral CAP. High CRP levels may be useful for clinicians to suspect mixed CAP

Pegasus IV: Discovery and Spectroscopic Confirmation of an Ultra-faint Dwarf Galaxy in the Constellation Pegasus

We report the discovery of Pegasus IV, an ultra-faint dwarf galaxy found in archival data from the Dark Energy Camera processed by the DECam Local Volume Exploration Survey. Pegasus IV is a compact, ultra-faint stellar system (r1 2 = 41-+68 pc; MV = −4.25 ± 0.2 mag) located at a heliocentric distance of 90-+64 kpc. Based on spectra of seven nonvariable member stars observed with Magellan/IMACS, we confidently resolve Pegasus IV’s velocity dispersion, measuring sv = 3.3-+1.11.7 km s−1 (after excluding three velocity outliers); this implies a mass-to-light ratio of M1 2 LV,1 2 = 167-+99224M☉ L☉ for the system. From the five stars with the highest signal-to-noise spectra, we also measure a systemic metallicity of [Fe/H] =-2.63-+0.300.26 dex, making Pegasus IV one of the most metal-poor ultra-faint dwarfs. We tentatively resolve a nonzero metallicity dispersion for the system. These measurements provide strong evidence that Pegasus IV is a dark-matter-dominated dwarf galaxy, rather than a star cluster. We measure Pegasus IV’s proper motion using data from Gaia Early Data Release 3, finding (μα*, μδ) = (0.33 ± 0.07, −0.21 ± 0.08) mas yr−1. When combined with our measured systemic velocity, this proper motion suggests that Pegasus IV is on an elliptical, retrograde orbit, and is currently near its orbital apocenter. Lastly, we identify three potential RR Lyrae variable stars within Pegasus IV, including one candidate member located more than 10 half-light radii away from the system’s centroid. The discovery of yet another ultra-faint dwarf galaxy strongly suggests that the census of Milky Way satellites is still incomplete, even within 100 kpc

Risk Factors for and Clinical Outcome of Congenital Cytomegalovirus Infection in a Peri-Urban West-African Birth Cohort

BACKGROUND: Congenital cytomegalovirus (CMV) infection is the most prevalent congenital infection worldwide. Epidemiology and clinical outcomes are known to vary with socio-economic background, but few data are available from developing countries, where the overall burden of infectious diseases is frequently high. METHODOLOGY/PRINCIPAL FINDINGS: As part of an ongoing birth cohort study in The Gambia among term infants, urine samples were collected at birth and tested by PCR for the presence of CMV DNA. Risk factors for transmission and clinical outcome were assessed, including placental malaria infection. Babies were followed up at home monthly for morbidity and anthropometry, and at one year of age a clinical evaluation was performed. The prevalence of congenital CMV infection was 5.4% (40/741). A higher prevalence of hepatomegaly was the only significant clinical difference at birth. Congenitally infected children were more often first born babies (adjusted odds ratio (OR) 5.3, 95% confidence interval (CI) 2.0-13.7), more frequently born in crowded compounds (adjusted OR 2.9, 95%CI 1.0-8.3) and active placental malaria was more prevalent (adjusted OR 2.9, 95%CI 1.0-8.4). These associations were corrected for maternal age, bed net use and season of birth. During the first year of follow up, mothers of congenitally infected children reported more health complaints for their child. CONCLUSIONS/SIGNIFICANCE: In this study, the prevalence of congenital CMV among healthy neonates was much higher than previously reported in industrialised countries, and was associated with active placental malaria infection. There were no obvious clinical implications during the first year of life. The effect of early life CMV on the developing infant in the Gambia could be mitigated by environmental factors, such as the high burden of other infections.Journal ArticleResearch Support, Non-U.S. Gov'tinfo:eu-repo/semantics/publishe

The management of diabetic ketoacidosis in children

The object of this review is to provide the definitions, frequency, risk factors, pathophysiology, diagnostic considerations, and management recommendations for diabetic ketoacidosis (DKA) in children and adolescents, and to convey current knowledge of the causes of permanent disability or mortality from complications of DKA or its management, particularly the most common complication, cerebral edema (CE). DKA frequency at the time of diagnosis of pediatric diabetes is 10%–70%, varying with the availability of healthcare and the incidence of type 1 diabetes (T1D) in the community. Recurrent DKA rates are also dependent on medical services and socioeconomic circumstances. Management should be in centers with experience and where vital signs, neurologic status, and biochemistry can be monitored with sufficient frequency to prevent complications or, in the case of CE, to intervene rapidly with mannitol or hypertonic saline infusion. Fluid infusion should precede insulin administration (0.1 U/kg/h) by 1–2 hours; an initial bolus of 10–20 mL/kg 0.9% saline is followed by 0.45% saline calculated to supply maintenance and replace 5%–10% dehydration. Potassium (K) must be replaced early and sufficiently. Bicarbonate administration is contraindicated. The prevention of DKA at onset of diabetes requires an informed community and high index of suspicion; prevention of recurrent DKA, which is almost always due to insulin omission, necessitates a committed team effort

Measurement of the cross section for isolated-photon plus jet production in pp collisions at √s=13 TeV using the ATLAS detector

The dynamics of isolated-photon production in association with a jet in proton–proton collisions at a centre-of-mass energy of 13 TeV are studied with the ATLAS detector at the LHC using a dataset with an integrated luminosity of 3.2 fb−1. Photons are required to have transverse energies above 125 GeV. Jets are identified using the anti- algorithm with radius parameter and required to have transverse momenta above 100 GeV. Measurements of isolated-photon plus jet cross sections are presented as functions of the leading-photon transverse energy, the leading-jet transverse momentum, the azimuthal angular separation between the photon and the jet, the photon–jet invariant mass and the scattering angle in the photon–jet centre-of-mass system. Tree-level plus parton-shower predictions from Sherpa and Pythia as well as next-to-leading-order QCD predictions from Jetphox and Sherpa are compared to the measurements